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  <title>Construct a COMPersistHelper object</title>
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    <li>Construct a COMPersistHelper object</li>
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  <h1 class="refname">COMPersistHelper::__construct</h1>
  <p class="verinfo">(PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">COMPersistHelper::__construct</span> &mdash; <span class="dc-title">Construct a COMPersistHelper object</span></p>

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 <div class="refsect1 description" id="refsect1-compersisthelper.construct-description">
  <h3 class="title">说明</h3>
  <div class="constructorsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>COMPersistHelper::__construct</strong></span>(<span class="methodparam"><span class="type">?</span><span class="type"><span class="type"><a href="class.variant.html" class="type variant">variant</a></span><span class="type"></span></span> <code class="parameter">$variant</code><span class="initializer"> = <strong><code>null</code></strong></span></span>)</div>

  <p class="para rdfs-comment">
   Constructs a persistence helper object, usually associated with a
   <code class="parameter">variant</code>.
  </p>
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 <div class="refsect1 parameters" id="refsect1-compersisthelper.construct-parameters">
  <h3 class="title">参数</h3>
  <dl>
   
    <dt>
<code class="parameter">variant</code></dt>

    <dd>

     <span class="simpara">
      A <abbr>COM</abbr> object which implements <span class="interfacename"><strong class="interfacename">IDispatch</strong></span>.
      To be able to successfully call any of <span class="classname"><a href="class.compersisthelper.html" class="classname">COMPersistHelper</a></span>&#039;s methods, the object
      has to implement <span class="interfacename"><strong class="interfacename">IPersistFile</strong></span>, <span class="interfacename"><strong class="interfacename">IPersistStream</strong></span>
      and/or <span class="interfacename"><strong class="interfacename">IPersistStreamInit</strong></span>.
     </span>
     <span class="simpara">
      Passing <strong><code>null</code></strong> as <code class="parameter">variant</code> is only useful if the object is to be
      loaded from a stream by calling <span class="methodname"><a href="compersisthelper.loadfromstream.html" class="methodname">COMPersistHelper::LoadFromStream()</a></span>.
     </span>
    </dd>

   
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